a(n) = lcm(n^n, factorial(n)/factorial(floor(n/2))^2).

A294041

a(n) = lcm(n^n, factorial(n)/factorial(floor(n/2))^2).

Terms

    a(0) =1a(1) =1a(2) =4a(3) =54a(4) =768a(5) =18750a(6) =233280a(7) =16470860a(8) =587202560a(9) =27119434230a(10) =630000000000

External references